Scammon, KS 66773 Frost Dates
Scammon, KS: when does the frost end?
Around 04/05 is the usual last spring frost, about 220 days away. Fall's first freeze usually shows up around 10/31, roughly 208 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Scammon, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Scammon's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Scammon's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/22 and only about 1 year in 10 sees frost after that.
Scammon against the rest of the dataset
At roughly 208 frost-free days, Scammon places 15,740 of 40,283 ZIP codes in this dataset. Within KS, it ranks 28 of 745.
Learn more
Before leaning on 66773's figures: local microclimates explains what one yard in Scammon can differ from the 66773 normal, while zone vs. frost date explains why Zone 7a and Scammon's frost date answer different questions.